Search Results - "Barrett, Paul M."

A new hypothesis of dinosaur relationships and early dinosaur evolution by Baron, Matthew G., Norman, David B., Barrett, Paul M.

“…For 130 years, dinosaurs have been divided into two distinct clades—Ornithischia and Saurischia. Here we present a hypothesis for the phylogenetic…”
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A new Middle Jurassic diplodocoid suggests an earlier dispersal and diversification of sauropod dinosaurs by Xu, Xing, Upchurch, Paul, Mannion, Philip D., Barrett, Paul M., Regalado-Fernandez, Omar R., Mo, Jinyou, Ma, Jinfu, Liu, Hongan

“…The fragmentation of the supercontinent Pangaea has been suggested to have had a profound impact on Mesozoic terrestrial vertebrate distributions. One current…”
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The earliest bird-line archosaurs and the assembly of the dinosaur body plan by Nesbitt, Sterling J., Butler, Richard J., Ezcurra, Martín D., Barrett, Paul M., Stocker, Michelle R., Angielczyk, Kenneth D., Smith, Roger M. H., Sidor, Christian A., Niedźwiedzki, Grzegorz, Sennikov, Andrey G., Charig, Alan J.

“…The archosaur species Teleocrater rhadinus , part of the new clade Aphanosauria, is an example of the earliest divergence of the avian stem lineage…”
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Dinosaur diversity and the rock record by Barrett, Paul M., McGowan, Alistair J., Page, Victoria

“…Palaeobiodiversity analysis underpins macroevolutionary investigations, allowing identification of mass extinctions and adaptive radiations. However, recent…”
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The extinction of the dinosaurs by Brusatte, Stephen L., Butler, Richard J., Barrett, Paul M., Carrano, Matthew T., Evans, David C., Lloyd, Graeme T., Mannion, Philip D., Norell, Mark A., Peppe, Daniel J., Upchurch, Paul, Williamson, Thomas E.

“…ABSTRACT Non‐avian dinosaurs went extinct 66 million years ago, geologically coincident with the impact of a large bolide (comet or asteroid) during an…”
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Trophic evolution in ornithopod dinosaurs revealed by dental wear by Ősi, Attila, Barrett, Paul M., Nagy, András Lajos, Szenti, Imre, Vásárhelyi, Lívia, Magyar, János, Segesdi, Martin, Csiki-Sava, Zoltán, Botfalvai, Gábor, Jó, Viviána

“…Ornithopod dinosaurs evolved numerous craniodental innovations related to herbivory. Nonetheless, the relationship between occlusion, tooth wear rate, and…”
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Reconstruction of the diapsid ancestral genome permits chromosome evolution tracing in avian and non-avian dinosaurs by O’Connor, Rebecca E., Romanov, Michael N., Kiazim, Lucas G., Barrett, Paul M., Farré, Marta, Damas, Joana, Ferguson-Smith, Malcolm, Valenzuela, Nicole, Larkin, Denis M., Griffin, Darren K.

“…Genomic organisation of extinct lineages can be inferred from extant chromosome-level genome assemblies. Here, we apply bioinformatic and molecular cytogenetic…”
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Multi-proxy dentition analyses reveal niche partitioning between sympatric herbivorous dinosaurs by Ősi, Attila, Barrett, Paul M., Evans, Alistair R., Nagy, András Lajos, Szenti, Imre, Kukovecz, Ákos, Magyar, János, Segesdi, Martin, Gere, Kinga, Jó, Viviána

“…Dentitions of the sympatric herbivorous dinosaurs Hungarosaurus (Ankylosauria, Nodosauridae) and Mochlodon (Ornithopoda, Rhabdodontidae) (Santonian, Hungary)…”
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Craniodental functional evolution in sauropodomorph dinosaurs by Button, David J, Barrett, Paul M, Rayfield, Emily J

“…Sauropodomorpha included the largest known terrestrial vertebrates and was the first dinosaur clade to achieve a global distribution. This success is…”
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Anatomy of Rhinochelys pulchriceps (Protostegidae) and marine adaptation during the early evolution of chelonioids by Evers, Serjoscha W, Barrett, Paul M, Benson, Roger B J

“…Knowledge of the early evolution of sea turtles (Chelonioidea) has been limited by conflicting phylogenetic hypotheses resulting from sparse taxon sampling and…”
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A new early branching armored dinosaur from the Lower Jurassic of southwestern China by Yao, Xi, Barrett, Paul M, Yang, Lei, Xu, Xing, Bi, Shundong

“…The early evolutionary history of the armored dinosaurs (Thyreophora) is obscured by their patchily distributed fossil record and by conflicting views on the…”
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The oldest dinosaur? A Middle Triassic dinosauriform from Tanzania by Nesbitt, Sterling J., Barrett, Paul M., Werning, Sarah, Sidor, Christian A., Charig, Alan J.

“…The rise of dinosaurs was a major event in vertebrate history, but the timing of the origin and early diversification of the group remain poorly constrained…”
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Inter-vertebral flexibility of the ostrich neck: implications for estimating sauropod neck flexibility by Cobley, Matthew J, Rayfield, Emily J, Barrett, Paul M

“…The flexibility and posture of the neck in sauropod dinosaurs has long been contentious. Improved constraints on sauropod neck function will have major…”
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Homeotic effects, somitogenesis and the evolution of vertebral numbers in recent and fossil amniotes by Müller, Johannes, Scheyer, Torsten M, Head, Jason J, Barrett, Paul M, Werneburg, Ingmar, Ericson, Per G.P, Pol, Diego, Sánchez-Villagra, Marcelo R

“…The development of distinct regions in the amniote vertebral column results from somite formation and Hox gene expression, with the adult morphology displaying…”
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Reassessment of the evidence for postcranial skeletal pneumaticity in Triassic archosaurs, and the early evolution of the avian respiratory system by Butler, Richard J, Barrett, Paul M, Gower, David J

“…Uniquely among extant vertebrates, birds possess complex respiratory systems characterised by the combination of small, rigid lungs, extensive pulmonary air…”
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Inner ear anatomy is a proxy for deducing auditory capability and behaviour in reptiles and birds by Walsh, Stig A, Barrett, Paul M, Milner, Angela C, Manley, Geoffrey, Witmer, Lawrence M

“…Inferences of hearing capabilities and audition-related behaviours in extinct reptiles and birds have previously been based on comparing cochlear duct…”
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A new Late Triassic sauropodomorph dinosaur from the Mid-Zambezi Basin, Zimbabwe by Barrett, Paul M, Chapelle, Kimberley E.J, Sciscio, Lara, Broderick, Timothy J, Zondo, Michel, Munyikwa, Darlington, Choiniere, Jonah N

“…An articulated partial hind limb collected from the Pebbly Arkose Formation (Norian, Upper Triassic) of the Upper Karoo Group of Zimbabwe is described as a new…”
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A new sauropod dinosaur hindlimb from the Lower Cretaceous Wessex Formation, Isle of Wight, UK by Higgins, Robert R, Mannion, Philip D, Barrett, Paul M, Upchurch, Paul

“…The Barremian-aged Wessex Formation of the Isle of Wight, UK, offers a globally significant glimpse into the sauropod dinosaur faunas of the early Cretaceous…”
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Interelemental osteohistological variation in Massospondylus carinatus and its implications for locomotion by Chapelle, Kimberley Ej, Barrett, Paul M, Choiniere, Jonah N, Botha, Jennifer

“…Owen, 1854 is an iconic basal sauropodomorph dinosaur from the Early Jurassic of southern Africa. Over 200 specimens have been referred to this taxon, spanning…”
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Ngwevu intloko : a new early sauropodomorph dinosaur from the Lower Jurassic Elliot Formation of South Africa and comments on cranial ontogeny in Massospondylus carinatus by Chapelle, Kimberley E J, Barrett, Paul M, Botha, Jennifer, Choiniere, Jonah N

“…Our knowledge of Early Jurassic palaeobiodiversity in the upper Elliot Formation of South Africa has increased markedly in recent years with the discovery of…”
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